1980-02-06
1982-10-19
Pinkham, Richard C.
Undertaking
272134, A63B 2106
Patent
active
043546757
ABSTRACT:
The device relates to physical exercise apparatus providing variable resistance to the user has a weight stack movable along a vertical guide and a carriage movable along another guide, the guides being disposed at a predetermined angle to each other and the carriage and the weight stack being connected to each other through a rigid link. The carriage is movable by the user against a variable force dependent on the position of the weight stack in its guide, the angle between the guides and the weight of the stack.
REFERENCES:
patent: 3905599 (1975-09-01), Mazman
patent: 3917262 (1975-11-01), Salkeld
patent: 4169589 (1979-10-01), McArthur
Altosaar Arkadi
Barclay Stanley B.
Knaitner Eugene L.
Remedios Eugenio E.
Rusiniak Richard
Browne William R.
Global Gym & Fitness Equipment Limited
Pinkham Richard C.
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